import { fileURLToPath, URL } from 'node:url'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'

// https://vite.dev/config/
export default defineConfig({
  plugins: [
    vue(),
    vueDevTools(),
  ],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url))
    },
  },
  server: {
    proxy: {
      '/api': {
        target: 'http://localhost:8081',
        changeOrigin: true,
        secure: false,
        ws: true, // 支持websocket
        configure: (proxy, options) => {
          // 特殊处理SSE请求
          proxy.on('proxyReq', (proxyReq, req, res) => {
            if (req.url?.includes('/streamflow')) {
              proxyReq.setHeader('Accept', 'text/event-stream')
              proxyReq.setHeader('Cache-Control', 'no-cache')
            }
          })
        }
      }
    }
  }
})
